add scripts for Blatt01 and Notes

Blatt01/scripts/checkip.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+show_ip(){
+	local output=$1
+	ips=()
+	interfaces=()
+	# echo $output
+	while read -r line; do
+		ip=$(echo "$line" | awk '{print $2}' | cut -d'/' -f1)
+		interface=$(echo "$line" | awk '{print $5}')
+		ips+=("$ip")
+		interfaces+=("$interface")
+	done <<< "$output"
+	for i in "${!ips[@]}"; do
+		echo "${ips[i]} ${interfaces[i]}"
+	done
+
+}
+
+filename="output/output_$(date +'%m-%d_%H-%M-%S').txt"
+echo $(date +'%m-%d_%H-%M-%S') 
+echo ' ' > $filename
+
+ip_cmd='ip address show | grep 10.5'
+for num in {1..4}
+do
+	echo "router$num" >> $filename
+	echo "router$num" 
+	ip_output=$(ssh router$num $ip_cmd) 
+	ips=()
+	interfaces=()
+
+	result=$(show_ip "$ip_output")
+	echo $result
+	echo $result >> $filename
+
+	
+done
+
+for num in {1..3}
+do
+	echo "pc$num" >> $filename
+	echo "pc$num" 
+	pc_result=$(ssh pc$num $ip_cmd)
+	result=$(show_ip "$pc_result")
+	echo $result >> $filename
+	echo $result
+done
+